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Coupled transport of Pb 2+ through tri‐ n ‐octylamine‐xylene‐polypropylene supported liquid membranes
Author(s) -
ur Rehman Saeed,
Akhtar Gul,
Chaudry M. Ashraf
Publication year - 2013
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.21712
Subject(s) - membrane , stripping (fiber) , aqueous solution , chemistry , polypropylene , nuclear chemistry , xylene , stoichiometry , zinc , inorganic chemistry , materials science , organic chemistry , biochemistry , composite material , benzene
Transport of Pb 2+ was carried from acidic solution into alkaline stripping phase through tri‐ n ‐octylamine‐xylene‐polypropylene supported liquid membrane. The transport of Pb 2+ through the membrane was studied by varying the concentration of Pb 2+ and HNO 3 in feed solution, NaOH concentration in strip solution and TOA concentration in membrane phase. The flux data obtained has been used to study the stoichiometry of complex Pb(NO 3 ) n +2 (HNR 3 ) n . The supported liquid membrane (SLM) has been found stable for 10 runs with 24 h between each run. This SLM has been used effectively to extract lead ions along with chromium, copper and zinc ions from aqueous acidic leached solution of paint and industrial effluents. © 2012 Canadian Society for Chemical Engineering